Steam Tempered (Steam Oxide) Surface Treatment
E238M4
M Machine Tap Spiral Flute 40°, Back Tapered, Blue Shark
Material ID: 6305808
Spiral flute tap Blue Shark with chamfer form C with a 2-3xP plug lead, for ISO-Metric thread M4 with 0.70 mm pitch and 6H class of fit, dimensions according to DIN 371 standard with 4.5mm shank and 3.4mm square drive, powder metallurgical HSS-E with steam tempered surface finish and 40° helix angle for 2.5xD blind hole threading in stainless steel
Product Feature
Thread Form, Metric Coarse
DIN 371 – Thread Form Standard
DIN Thread Pitch Diameter Tolerance Zone (high basic pitch diameter)
Blind Hole Application
2.5×D Usable Tool Depth to Diameter Ratio
High Speed Cobalt Powder Metal Tool Material
Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)
Spiral Flute Geometry
40° Helix Angle (Flute)
Right Hand Rotation / Cutting